The area of the greatest circle which can be inscribed in a square whose perimeter is 120 cm, is (a) `(22)/7xx(7/2)^2c m^2` (b) `(22)/7xx(9/2)^2c m^2` (c) `(22)/7xx((15)/2)^2c m^2` (d) `(22)/7xx(15)^2c m^2`

The area of the greatest circle which can be inscribed in a square whose perimeter is 120cm, is (a) (22)/(7)xx((7)/(2))^(2)cm^(2)(b)(22)/(7)xx((9)/(2))^(2)cm^(2)(c)(22)/(7)xx((15)/(2))^(2)cm^(2)(d)(22)/(7)xx(15)^(2)cm^(2)

The area of a circle is 220\ c m^2 . The area of a square inscribed in it is (a) 49\ c m^2 (b) 70\ c m^2 (c) 140\ c m^2 (d) 150\ c m^2

The area of a circle is 220\ c m^2 . The area of a square inscribed in it is (a) 49\ c m^2 (b) 70\ c m^2 (c) 140\ c m^2 (d) 150\ c m^2

The area of the incircle of an equilateral triangle of side 42 cm is 22sqrt(3)\ c m^2 (b) 231\ c m^2 (c) 462\ c m^2 (d) 924\ c m^2

If the perimeter of a square is 16 cm, then its area is (a)4 c m^2 (b) 8\ c m^2 (c) 16\ c m^2 (d) 12\ c m^2

There are three circles each of radius sqrt(7) c m . A triangle is formed by joining their centres. The angles at the centre made by the triangle are shown in the figure. The area of the shaded portion is (FIGURE) 4/7 c m^2 (b) (11)/7 c m^2 (c) (22)/7 c m^2 (d) 11 c m^2

Find the area of a circle whose radius is (a)7 cm (b) 2.1 m (c)7 km

What should be subtracted from (-2)/3\ to get 4/5? (a) (22)/(15)\ (b) (-22)/(15) (c) (15)/(22) (d) (-15)/(22)

The ratio of circumference and diameter of a circle is 22:7. If the circumference be 1(4)/(7)m . then the radius of the circle is (1)/(3)m( b) (1)/(2)m(c)(1)/(4)m(d)1m

The area of a circle inscribed in an equilateral triangle is 154\ c m^2 . Find the perimeter of the triangle. [U s e\ \ pi=22//7a n d\ sqrt(3)=1. 73]